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1 /* Header for dependency analysis
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2 Copyright (C) 2000-2018 Free Software Foundation, Inc.
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3 Contributed by Paul Brook
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4
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5 This file is part of GCC.
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6
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7 GCC is free software; you can redistribute it and/or modify it under
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8 the terms of the GNU General Public License as published by the Free
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9 Software Foundation; either version 3, or (at your option) any later
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10 version.
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11
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12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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15 for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with GCC; see the file COPYING3. If not see
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19 <http://www.gnu.org/licenses/>. */
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20
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21 /****************************** Enums *********************************/
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22 enum gfc_dep_check
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23 {
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24 NOT_ELEMENTAL, /* Not elemental case: normal dependency check. */
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25 ELEM_CHECK_VARIABLE, /* Test whether variables overlap. */
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26 ELEM_DONT_CHECK_VARIABLE /* Test whether variables overlap only if used
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27 in an expression. */
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28 };
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29
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30 /*********************** Functions prototypes **************************/
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31
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32 bool gfc_ref_needs_temporary_p (gfc_ref *);
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33 bool gfc_full_array_ref_p (gfc_ref *, bool *);
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34 gfc_expr *gfc_get_noncopying_intrinsic_argument (gfc_expr *);
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35 int gfc_check_fncall_dependency (gfc_expr *, sym_intent, gfc_symbol *,
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36 gfc_actual_arglist *, gfc_dep_check);
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37 int gfc_check_dependency (gfc_expr *, gfc_expr *, bool);
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38 int gfc_expr_is_one (gfc_expr *, int);
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39
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40 int gfc_dep_resolver(gfc_ref *, gfc_ref *, gfc_reverse *);
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41 int gfc_are_equivalenced_arrays (gfc_expr *, gfc_expr *);
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42
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43 gfc_expr * gfc_discard_nops (gfc_expr *);
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